From 6674be6d26caa885729f8944c15a7c50ef79b5d8 Mon Sep 17 00:00:00 2001
From: Martin Duffy <martin.duffy@kitware.com>
Date: Thu, 4 Jun 2026 10:34:40 -0400
Subject: [PATCH] RunCMake: Allow error output suppression from run_cmake

---
 Tests/RunCMake/RunCMake.cmake | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Tests/RunCMake/RunCMake.cmake b/Tests/RunCMake/RunCMake.cmake
index b849634efb..bf83507049 100644
--- a/Tests/RunCMake/RunCMake.cmake
+++ b/Tests/RunCMake/RunCMake.cmake
@@ -105,6 +105,9 @@ function(run_cmake test)
   else()
     set(maybe_input_file "")
   endif()
+  if (RunCMake_QUIET_ERROR)
+    set(maybe_quiet_error "ERROR_QUIET")
+  endif()
   if(NOT RunCMake_TEST_COMMAND)
     if(NOT DEFINED RunCMake_TEST_OPTIONS)
       set(RunCMake_TEST_OPTIONS "")
@@ -157,6 +160,7 @@ function(run_cmake test)
       ENCODING UTF8
       ${maybe_timeout}
       ${maybe_input_file}
+      ${maybe_quiet_error}
       )]])
   else()
     set(expect_result "")